Create README.md

README.md

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+# SafeQR Code Scanner
+
+SafeQR is a React Native application that allows users to scan QR codes using their mobile device's camera. The app provides a user-friendly interface with a bottom navigation bar for easy access to different sections such as QR Scanner, History, Settings, and Profile.
+
+## Features
+
+- **QR Code Scanning**: Scan QR codes and display the scanned data.
+- **History**: (Placeholder) View the history of scanned QR codes.
+- **Settings**: (Placeholder) Adjust application settings.
+- **Profile**: (Placeholder) View and edit user profile.
+
+## Screenshots
+
+![QR Scanner Screen](./screenshots/qr_scanner_screen.png)
+![Bottom Navigation](./screenshots/bottom_navigation.png)
+
+## Installation
+
+1. **Clone the Repository**:
+   ```sh
+   git clone https://github.com/yourusername/safeqr.git
+   cd safeqr
+   ```
+
+2. **Install Dependencies**:
+   Ensure you have `node` and `npm` installed, then run:
+   ```sh
+   npm install
+   ```
+
+3. **Install Expo CLI** (if not already installed):
+   ```sh
+   npm install -g expo-cli
+   ```
+
+4. **Start the Application**:
+   ```sh
+   expo start
+   ```
+
+5. **Run on Device**:
+   - For iOS, use the Expo Go app.
+   - For Android, use the Expo Go app or an emulator.
+
+## Usage
+
+1. Open the app on your device.
+2. Navigate to the **QR Scanner** tab.
+3. Point your camera at a QR code.
+4. The app will scan and display the QR code data below the camera view.
+5. Use the bottom navigation to explore other sections (History, Settings, Profile).
+
+## Project Structure
+
+```
+.//OTHER Node_modules
+├── App.tsx
+├── package.json
+├── tsconfig.json
+├── assets
+│   └── ...
+├── components
+│   └── ...
+├── screens
+│   ├── QRScannerScreen.tsx
+│   ├── HistoryScreen.tsx
+│   ├── SettingsScreen.tsx
+│   └── ProfileScreen.tsx
+└── styles
+    └── styles.ts
+```
+
+## Dependencies
+
+- **react**: 18.0.0
+- **react-native**: 0.68.0
+- **expo**: 45.0.0
+- **@react-navigation/native**: 6.0.0
+- **@react-navigation/bottom-tabs**: 6.0.0
+- **expo-camera**: 12.0.0
+- **expo-constants**: 13.0.0
+- **expo-permissions**: 13.0.0
+- **@expo/vector-icons**: 13.0.0
+- **typescript**: 4.3.5
+
+```
+